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Steve
 Post subject: Lock-and-Key Security
PostPosted: Mon Apr 04, 2011 1:35 pm 
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Comments for Lock-and-Key Security.

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ibarrere
PostPosted: Mon Apr 04, 2011 1:56 pm 
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Nice blog, Infinite!

I had never even heard of that feature, and couldn't really think of a useful situation in which to deploy it (other than perhaps some insane Rube Goldberg Machine of networks), yet it's still pretty cool that it's out there.

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ibarrere
PostPosted: Mon Apr 04, 2011 1:58 pm 
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Which reminds me... why haven't we at networking-forum come up with some insane Rube Goldberg Machine of networks?

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Vito_Corleone
PostPosted: Mon Apr 04, 2011 2:30 pm 
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Nice post. The transparency in your screenshots makes me hate you though.

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jdsilva
PostPosted: Mon Apr 04, 2011 2:43 pm 
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Thanks guys.

Yeh I noticed the transparency bit after I finished and couldn't be bothered to take them all over again. On the machine I'm on now I can't even see them... But I know on some you can see through them. Blame Apple. It's their terminal program.

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Vito_Corleone
PostPosted: Mon Apr 04, 2011 2:47 pm 
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I keep trying to figure out what's behind them.

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jdsilva
PostPosted: Mon Apr 04, 2011 2:48 pm 
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I think it was another terminal window or the OpenOffice document I drafted the blog post in.

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jdsilva
PostPosted: Mon Apr 04, 2011 2:53 pm 
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ibarrere wrote:
Which reminds me... why haven't we at networking-forum come up with some insane Rube Goldberg Machine of networks?

Did you not see Steve's Creative Routing Contest?

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ibarrere
PostPosted: Mon Apr 04, 2011 4:34 pm 
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Yeah, I thought I saw something about a Catalyst in one of the background windows...

That creative routing contest is pretty cool. But, we definitely need to include hosts that sit there listening and slicing packets in half and forwarding some data to one location, some to another, eventually the packet will be reconstructed on another host who'll insert the payload into a database and have an ETL chew it up and return something else to a SOAP API, blah blah blah. I think the end result should be posting a topic to this forum though.

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ibarrere
PostPosted: Mon Apr 04, 2011 4:53 pm 
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ibarrere wrote:
we definitely need to include hosts that sit there listening and slicing packets in half and forwarding some data to one location, some to another, eventually the packet will be reconstructed on another host who'll insert the payload into a database and have an ETL chew it up and return something else to a SOAP API, blah blah blah. I think the end result should be posting a topic to this forum though.


That sounds startlingly like the standard application logic of a former customer, actually.

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scottsee
PostPosted: Mon Apr 04, 2011 5:08 pm 
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Nice Blog! That's a cool feature I would have never probably know about otherwise.
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mellowd
PostPosted: Tue Apr 05, 2011 3:10 am 
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Interesting. Not sure I'd ever use it though

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wirerat
PostPosted: Tue Apr 05, 2011 4:32 am 
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Very cool blog Infinite. The technology kind of reminds me of port-knocking.

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reaper
PostPosted: Tue Apr 05, 2011 5:28 am 
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Can this be combined with time-based ACL? Like allowing someone to open a port at certain times but only if they know the password?

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jdsilva
PostPosted: Tue Apr 05, 2011 9:11 am 
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Interesting idea... I don't know. I'll have to try and lab that if I get some free time today.

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jdsilva
PostPosted: Tue Apr 05, 2011 10:22 am 
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Code:
R1#sh access-list 101
Extended IP access list 101
    10 Dynamic LOCK permit tcp any any eq telnet time-range LOCK (inactive)
    20 permit tcp any host 1.1.1.1 eq telnet (50 matches)
    30 deny ip any any
R1#sh tim
R1#sh time-range
time-range entry: LOCK (inactive)
   periodic weekdays 9:20 to 9:30
   used in: IP ACL entry
R1#sh clock
09:17:12.667 MST Tue Apr 5 2011

Code:
R2#telnet 1.1.1.1
Trying 1.1.1.1 ... Open


User Access Verification

Username: test
Password:
[Connection to 1.1.1.1 closed by foreign host]
R2#telnet 3.3.3.3
Trying 3.3.3.3 ...
% Destination unreachable; gateway or host down

R2#

Code:
R1#sh access-list 101
Extended IP access list 101
    10 Dynamic LOCK permit tcp any any eq telnet time-range LOCK (inactive)
       permit tcp any any eq telnet time-range LOCK (inactive)
    20 permit tcp any host 1.1.1.1 eq telnet (72 matches)
    30 deny ip any any (1 match)
R1#sh clock
09:19:59.019 MST Tue Apr 5 2011

Code:
R1#sh access-list 101
Extended IP access list 101
    10 Dynamic LOCK permit tcp any any eq telnet time-range LOCK (active)
       permit tcp any any eq telnet time-range LOCK (active)
    20 permit tcp any host 1.1.1.1 eq telnet (72 matches)
    30 deny ip any any (1 match)
R1#sh clock
09:21:37.151 MST Tue Apr 5 2011

Code:
R2#telnet 3.3.3.3
Trying 3.3.3.3 ... Open


User Access Verification

Username: test
Password:
R3>

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reaper
PostPosted: Tue Apr 05, 2011 11:14 am 
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Cool, thanks for testing that out. Maybe when my kid gets older I'll have to stop him from playing WoW all night long. Then I can implement a time-based lock and key ACL and change the password on occasion and make him find it out through doing some math or something :)

Devious plans...:)

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Hjackson5
PostPosted: Wed Dec 14, 2011 7:35 pm 
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It is obvious that I really want to be part of your site. I really love how you make people to have an interest in your site which helps me a lot. Thank you so much for this.
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